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45 lines
1.3 KiB
45 lines
1.3 KiB
/*
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* Copyright (C) 2021 The Android Open Sourete Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <string.h>
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#include <trusty/coverage/uuid.h>
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#include <uuid.h>
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#include <stdio.h>
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static uint16_t reverse_u16(uint16_t u) {
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return u << 8 | u >> 8;
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}
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static uint32_t reverse_u32(uint32_t u) {
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return reverse_u16((uint16_t)u) << 16 | reverse_u16(u >> 16);
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}
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bool str_to_uuid(const char* str, struct uuid* uuid) {
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uuid_t uu;
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static_assert(sizeof(uu) == sizeof(*uuid));
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if (uuid_parse(str, uu)) {
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return false;
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}
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memcpy(uuid, uu, sizeof(*uuid));
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uuid->time_low = reverse_u32(uuid->time_low);
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uuid->time_mid = reverse_u16(uuid->time_mid);
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uuid->time_hi_and_version = reverse_u16(uuid->time_hi_and_version);
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return true;
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}
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